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September 18, 2026

Full Stack Java Developer

Senior • On-site

135 - 150 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Full Stack Java Developer

Description

Design, develop, test, and maintain full-stack applications using Java, Spring Boot, Angular, Kafka, SQL, Docker, and Kubernetes. Build and enhance microservices-based solutions and REST APIs, develop integrations, and resolve defects, incidents, and performance issues. Apply secure coding practices and remediate vulnerabilities using SAST, container scanning, dependency scanning, and other security assessments, while improving CI/CD pipelines and system performance, scalability, resilience, maintainability, and availability.

Responsibilities

  • Design and develop full-stack applications
  • Build and enhance microservices and REST APIs using clean code principles
  • Develop and maintain integrations with internal and external systems
  • Analyze and fix defects, incidents, performance issues, and production problems
  • Identify and remediate security vulnerabilities
  • Optimize performance, scalability, resilience, maintainability, and availability
  • Support and improve CI/CD pipelines
  • Collaborate with Product Owners, Business Analysts, Architects, Security Specialists, and Operations
  • Participate in Agile/Scrum activities (planning, refinement, reviews, retrospectives)
  • Create and maintain technical documentation, solution designs, and operational documentation
  • Improve development practices, automation, quality assurance, and security
  • Use AI-powered tools such as GitHub Copilot and Microsoft 365 Copilot; explore AI agents and intelligent automation

Requirements

  • Minimum 5 years of professional experience in Full Stack Java development
  • Strong hands-on experience with Java, Spring Boot, microservices, and REST APIs
  • Practical experience with Angular and Angular Material
  • Experience with Kafka and SQL databases
  • Hands-on knowledge of Docker and Kubernetes
  • Experience with Git, Bitbucket, Jenkins, and CI/CD pipelines
  • Experience working in an Agile/Scrum environment
  • Practical experience identifying and resolving SAST, container scanning, dependency, and other application security vulnerabilities
  • Good understanding of secure coding practices and OWASP principles
  • Strong application troubleshooting and problem-solving skills
  • English language proficiency at B1+/B2 level or higher

Benefits

  • Private medical care
  • Co-financing for the sports card
  • Constant support of a dedicated consultant
  • Employee referral program

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